Rotary harrow



, Oct. 23, w23. 1,471,692

A'. w. GUILD ROTARY HARROW Filed Aug. '31 1922 2 sheets-Sheet z ,i Patented iQct. 23,1923.`

" eurem mrs-ES ANDREW vv.l GUILD, en .,rrousrolurnxns. 'l f j 'ROTARY rrannow. 1

applicati@ med august 31,1922'. serial No. 585,502'.

To all 'whom t may concern.'

Be it known that l, ANDREW W. GUILD, a citizen of the United States, residing at Houston, in the county of Harris and State of rIexas, have invented certain new and f u-seful Improvements Ain Rotary Harrows, of which the following is a specification.

This invention relates to rotary harrows and more particularly to such' a device` wherein the rotating elements that carry the harrow teeth are in the forin of wheels adapted to be swung to a vertical position to operate as trac-tion wheels whereby the harrow may be easily taken to and from the field upon which itis to be worked'.

An important object of the invention is to provide a device of the above Vmentioned character wherein the rotating elements,

`when in operative. position7 are arrangedV with their edges in Contact with each other, means' being provided vto prevent vertical displacementof the ycontacting edges 'of the .wheels A 'further object of the invention is to provide universally connected draft means whereby the `wheels may shift their positiontoaccommodate themselves to the contour of the groundover which they are pass- VOther objects 'and advantagesof thev 1nvention will be' apparent during the course of the following description.

VIn they drawings, I have shown one embodiment of the invention. :In this'k show lng,

10 designates, as a whole, a main frame consisting of spaced angle irons 11 arranged as shown in Figure 6. `A seat 12 is preferably connected to the forward angle kviron 11 kof themain frame 10. y

An auxiliary frame 13 is mounted ateach end of the main frame l0 and these`aux- Figure 1 is a plan view of the device in iliary frames are formed'offspacedl'angle ironsla corresponding in arrangement to V5the angle' irons 11' and arranged .inaline- -ment, therewith. Hinges 15 arey connected between the angleirons 11 and 111CV to permit vthe latter to assume a horizontal position yorto swing downwardly through an angle of 90Q to assume a vertical position.V An

Vaxle block 16 is mounted between each pairv ofA angle 4irons 14 intermediate.r the ends thereof. The blocks 16 are 'provided with openings in which are mountedthe inner endsofstub axles 17 secured thereto as at 18.

y '.Wheels 19 and 2O are mounted on the stub axles 17 was shown. -The wheel 19 is provided with spaced peripheral flanges 19 to" forman angular groove adaptedto receive the rim of the wheelv 20 when thetwheels are/in' the position'shown in Figure 1. TheY y wheels 19 and 20 are provided with radially arranged 'spokes-21 secured'to'hubs 22 which rotatably're'ceive the stub axlesk 17 Radial tooth bars 23 are. connectedbetween the hubs and the rims of the/wheels and thesebars are provided with angularly arranged harrow Ateeth 211.-` The angular arrangement of the teeth 24 is ysuch that'the teeth upon'one' v i sideof each Vwheelvwill offer more resistance to thev ground than the teeth nponithe other side of the :wheels so' that the wheels will turn as the harrow passes over the ground,

as shown :by the arrows in Figure 1.

The vnumeral 25 designates a pair of draft beams which are substantially U- shaped'as shown,the rear or free ends of the beams straddling the outer ends of the angle irons 14' being secured thereto as at 26. The'outer or closed ends of the beams 25 are arranged in proximity to each other as shown in Fig- -ure. l,` and adjusting bars 27 are mounted between the sidesof thev beam, being secured vthereto in any suitable manner. `When the harrow wheels arek in the position shownin "Figures'l and 2, the bars 27 depend vert-r cally from the beams` 27 as shown'in Figure 2. The bars 2 5 are' providedwith al series of openings 28 fora purpose to be described. v i

A draft bar 29 is arranged transversely of thefharrow adjacent the forward endspof rv'the beams 25 and isfprovided with a suitabley draft link 30. The bar 29 is'provided adjacent its ends with openings 31,the inner Vopenings `31"being adapted` forconnection with universal oints 32, when kthe wheels areV in theresitonhovn in lgufelz. .The nner member; A,of efa'cli Y universal; joint is iswivelly connected with a substantially L J-shaped member 33 which is adapted for connection through one of the openings 28 of the bars 27 by means of bolts 34; l

` The drift bar 29 is provided substantially cent-rally thereof with .an opening 35 to which is connected a tongue 36, by means :cfa: bolt l'372. `double-tree 38 may be se'- cured itothe tongue 36 as at39 to which vdraft animals may be hitched for pulling the harrow.- i f i The operation of the device is as follows: When it isdesiredfto employ-the device as a landy vehiclea's when taking it to and from ythe field to .be worked, the angle ironsll are swungto the horizontal position as shown linFigurefhtheedges, of the vertical portlions'of theangleirons l1 and 14 contacting with each: other to prevent the wheels from swinging upwardly.. The members 33 :are then connected to the inner openings 28 v,and the universal, joints connected to the youter ,openings 31 of the draft bar 29, see

Figure l.-

lNVhen it isdesired to employ the device as a harrow the tongue 36 and double-tree 38 are removed fronithe frame 10 and draft bar 29,

lof the draftdink'SO. Y The universall joints .321 are disconnected from the outer openings 31 and the .frames 13 swung downwardlyto a. verticalrpositionwhereby the wheelsv 19 and2llassume a horizontal position with the teeth=24 in contact with the ground. When thexframes 13 are. swung downwardly the! draftibeams 25 move inwardly tothe position fshown-,inFigure .1 and the universal joints 4o 32, are thenfconnectedto the bar 29 through the inner openings 31. When the Wheelsfare 'swung to the position just described, the

iiiriof'ftlie wheelv 20 is arranged within a groove formed between `thelanges 19 of the l wheel-19. The wheels beingfreely hinged tothe frame 10, they are permitted to rock slightly toi accommodate themselves tothe varying contourfofthe ground upon which .the device vis employed, thetlanges 19 servingi to maintain the contacting-edges of the wheels in alinement. ..trationoftheteeth2lmaybe varied by con necting the U-shaped members 33 in selected openings 28. When the members 33m-e conn'ected 'iny one-.of the lower openings 2S there isa tendency for thewheels 19 and 2O to lift slightly whereby a relatively shallow out will befmade, adeepeiapenetration of the yfofground'being accomplished by connecting the'meinbers through I l-Pper' openings 28.

Itiisto be understood that the form of my Jinvention ,herewith shown and de scribedis samenandthatvarioiis changes in the shape,

size and arrangement of parts may be rewith said frame.

The depth of penesorted to without departingfroni the spirit ofthe invention or the scope of the subjoined claims.

Havin described my invention, l claim: k1l A i evice of the character described, comprising a main frame, an auxiliary frame hinged at its inner end to each end of said mainframe, a stub axle carried by each auxiliary'f'raiiie and extending out- -row teeth thereof projecting downwardly,

the riin of one wheel being provided with an y n c I 1 l annular groove to receive the rim of the other wheel', and draft means. connected" y 2. AA devicel of the characterdescribed, comprising a inaiii cross trame, an auxiliary frame hinged at its innerendlto each fend of said main framc,a stub axle carriedflfiy each f auxiliary` frame and lextending `outwardly thereof, a traction wheel including ya rim mounted on each of .said axles, said wheels being provided ,with outwardly -exteiiding harrow teeth, said auxiliary framebeing adapted to swing downwardly to disposefsaid Y wheels horizontallyavith the harroiv teeth thereof projecting downwardly, the rim of one wheel, being provided, with van annular groove to receive the'rim of the otherwheel, and a, draft baruniversally connected with said frame. n y j l y 3. device. lo f thecharactery described, comprising a main crossframe,anauxiliary frame hinged at, its innerend toeachendof said mainframe, a stub a'xle'vcarlried by each auxiliary frame and Aextending out- .wardly thereof,y a traction wheel including a rim mounted on. each ofsaid axles, said wheels being provided with oiitwardly efxtending harrow teeth, said auxiliary fraine being adapted to swing downwardly'itol dispose said wheelshorizontally with they harthel rim o-fonewheel being provided'wjith anv annular. groove to receive;thefr'iinlof the `comprising a main cross fran'ie,fanfauxiliary frame hinged at its inner'end to each' ien d Iof said main -frame,.a stub axllecarried byfeach auxiliary fraineniid extending outwardly thereof, ,af traction lwheel 'fincludingfa rinr tmounted on each of, said l z i'xlles, said wheels being provided 4withontwardly extending harrow teeth, said auxiliary frame vbeing adapted to lswing downwardlyto dispose said wheels horizontally withthe liarrow teeth thereof projecting downwardly,ithe4 yrow teeth thereof lproje'ct-ing downwardly,

c of said main frame,'a stub axle carried by` rim of one wheel being provided with a groove to receive the rim of the other wheel, draft beams rigidly connected with said auxiliary frames, and a draft bar mounted adjacent the forward ends ofrsaid beams.

l each auxiliary frame and extending outf wardly thereof, a traction wheel includingA a rim mounted on each of said axles, said wheels being provided withoutwardlyextending harrow teeth, said auxiliary frame being adapted to swing downwardly to dis-V pose said wheels horizontally with the harrow teeth thereof projecting downwardly, the rim of one wheel being provided with an annular groove to receive the rim of Vthe other wheel, a draft bar universallyv connect-y edvwith said frame, and means for adjusting the height `of said bar.

6. A device of the character described, comprising a main cross frame, an auxiliary frame hinged at its inner end to each end of said main frame, a stub axle carried by each Vof said auxiliary frames and extending outwardly thereof, a traction wheel including a rim mountedl on each of said axles, said wheels being provided withroutwardlyr extending harrow teeth, said auxiliary frame being adapted to swing downwardly to dispose said wheels horizontally with the harrow teeth thereof projecting downwardly, the rim of one wheel being provided with an annular groove to receive the rim of thek other wheel, draft beams rigidlyr connected with said auxiliary frames, a draft bar universally connected with' said beams, and means for varying the height of said uni-V versal connection. g

7. A device of the character described, comprising a main cross frame, an auxiliary frame hinged at its inner end to each end of ,Y

said main frame, a stub axle carried by each auxiliary frame and extending outwardly thereof, a traction wheel including a rim mounted on each of said axles, said wheels` being provided with outwardly extending harrow teeth, said auxiliary frame being adapted to swing downwardly to dispose said wheels horizontally with the harrow teeth thereof projecting downwardly, the rim of one wheel being provided with an annular groove to receivethe rimof the other wheel, a forwardly extending draft beam rigidly connected with each of said auxiliiary frames, the forward ends of said beams being provided with horizontal outstanding projections, said projections being adapted to assume a vertical position when said wheels assume a horizontal position, a draft bar mounted adjacent the'forward ends of said beams, and means for connecting said `bar to selected positions yon saidprojection when it is in a vertical position. c c

.8.A device of the vcharacter described, comprising a maincross frame formed of a pair jof spaced angley irons, a pair of simi- Alarly formed auxiliaryl frames pivoted to the outer endsof saidmain iframe in alinement therewith,fan axlelblock rigidly mounted betweeny the angle irons'zof-each of said vauxiliary frames, said blocks being provided with outstanding stub axles, traction wheels mounted on saidaxles and provided with' outstanding harrow teeth, said wheels being adapted to swing downwardly to a horizontal position with said harrow teeth projecting downwardly, and draft means connected withl said frame. Y

9. A device ofthe character described, comprising a main cross frame formed of a pair of spaced angle irons, a pair of similarly formed auxiliary frames pivoted to the outer ends of said main framel in alinement therewith, anV axle block rigidlyl mounted between the angle irons of each of said auxiliary frames, said blocks being provided with outstanding stub axles, traction wheels mounted on said axles and provided with outstanding harrow teeth, said wheels being adapted to swing downwardly to a horizontal position with the harrow teeth project ing downwardly, a substantially U-shaped forwardly extending traction beam rigidly connected at its free end to each of said auxiliary frames, and a draft bar universally connected adjacent each end ofthe forward ends of said draft beams.`

`10. lA device of the character described: *Y

comprising a main cross frame' formed of a palr'of spaced angle irons, a pair of simied 'between the angle irons'of each of said auxiliary frames, said blocksbeing provided with outstanding stubl axles, tract-ion wheels including rims mounted on said axlesand provided with outstanding harrow teeth, said wheels being adapted to swing downwardlv to a horizontal position with said h arrow teeth projecting downwardly, the rim of one of said wheels being provided with an annular groove adaptedl to receive A the rim of the other wheel when said wheels` n VAnnieuvv w.v GUILD.

Witnesses: l v

T. G. FORD, P. Trm'rronn, 

